This book groupes a number of catalogs from all over the world.This information is required from different specialized auction houses with price cotations. There is not only advertisement on enameled signs but also on glass, boxes, ashtrays, thermometers,.... All items are grouped in three different ways 1)By number 2)By theme 3)By name/mark such as: Agfa, Aral, BMW, Cacao Suchard, Coca Cola, Kaffee Hag, Knorr, Michelin, Persil, Philips,.....